www.genome.rcast.u-tokyo.ac.jp

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a7:b1:bf:62:2b:8b:67:42:7d:a7:11:b2:90:b7:c7:e2:07 was issued on by Let's Encrypt.

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.genome.rcast.u-tokyo.ac.jp

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a7:b1:bf:62:2b:8b:67:42:7d:a7:11:b2:90:b7:c7:e2:07
Serial Number (int): 318400280146157468995532005936106379403783
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 93:8a:f7:a4:f7:e8:d2:57:1a:8e:c3:17:91:b0:5b:c0:28:0e:5f:b4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): db:48:07:b9:17:07:ba:64:8b:4a:5d:52:66:52:41:d5:b6:a7:ff:d9
Fingerprint (sha256): 03:42:1a:49:bc:11:f2:f1:5a:60:bd:ca:56:cb:ee:18:30:1e:8a:c0:c7:4f:3f:4d:86:b7:3a:bc:c3:f2:9a:72

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.genome.rcast.u-tokyo.ac.jp

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.genome.rcast.u-tokyo.ac.jp

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.genome.rcast.u-tokyo.ac.jp

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Certificate

The complete raw certificate details for www.genome.rcast.u-tokyo.ac.jp in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoebGnULCPQkcfvu/AQrU
uhzDMj8piw/N8Mm4F4d776nc5j+gb7ehXPljJhZsBNzwXltF/A190vWX+RQmUd1Q
0ZBktTqjSNPTMPF1SWDiXrQQs7Kt/35VlSIOf/MWQSjf+bk+7nehmcT6IrnouZZM
+GXISEmZDy1Q9dlP3JLyltDqocK58XNDXPyjIC0qljhsyG9gXA3u0vZBHLmz2m67
lIMjNWUd4wpdjoRq5uKiGhZo/9mrH+jJbE63n9NuN0lKv7/lkuHAxHtKbQ+ImNcC
ijNjy6n3ncaOVqji6OoJI7hasIMu7s65mQm5x/y1BWPY56M46lVENiMmJ/3w3NBt
PQIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 318400280146157468995532005936106379403783
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-27 18:05:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-27 18:05:21 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.genome.rcast.u-tokyo.ac.jp'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20438166906190770922574117130491687260650817197293963835645549444604277664365424853032893023073113135072946172759369463190906286189231044001242194803024558527987945352140716795617868310528176476272737927446201750774748328777015299528477019458270332525556787855341503222330146818668366425140728699820213019160077032089891944705375946861088310947011791943150756001425668924918637194761048366873759765897038740989901786029501753646170645050710235244534796763304725072008973016851495968580152303066361412743460585337448547919612351602951918740454427984602315433273714681662449627060927008981745165898895301901104784108861
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							938af7a4f7e8d2571a8ec31791b05bc0280e5fb4
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.genome.rcast.u-tokyo.ac.jp'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000167f10e8c14000004030046304402200bdd5cae1417342818357e78d02293f3cfd1e2c58604cc42911b0ba07174204c02207e107fb638b0733ef7fa22ae9e4568aecb1db7e6057d8acd168596e5e1168dd100760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000167f10e8c320000040300473045022100f7bda8d8dc1a6f01f2ceca4243ebedc73acb2f35d31743d1dff56b5ef00f39b40220649b32cd6dcd7af6787ea2136cf435537ff908f80b4a8cecbb1fc79364bc1573
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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